Jetradar compares prices for airline tickets to Singapura with 728 airlines from all over the world. We do not sell airline tickets ourselves, but you can use our service to find the lowest prices and special offers with no additional fees or mark-ups. Find the cheapest flights to Singapura with Jetradar. The population of Singapura is 4,701,000. The official currency is Singaporean dollars (SGD).